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  "slug": "nested-sql",
  "title": "Nested SQL",
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  "lead": "In relational databases, a nested table is a table that is embedded within another table. Individual elements can be inserted, updated, and deleted in a nested table. Since individual elements can be modified in a nested table, they are more flexible than an array because elements in an array can only be modified as a whole, not individually. A nested table doesn't have a maximum size, and an arbitrary number of elements can be stored in it.",
  "body": "In relational databases, a nested table is a table that is embedded within another table. Individual elements can be inserted, updated, and deleted in a nested table. Since individual elements can be modified in a nested table, they are more flexible than an array because elements in an array can only be modified as a whole, not individually. A nested table doesn't have a maximum size, and an arbitrary number of elements can be stored in it. ==External links==",
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    "title": "Nested SQL",
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